in pokemon diamond it is i don't know about the others
You can't delete a key item!
now that's odd really odd you sure normally professor oak upgrades your pokedex to national pokedex and then professor Rowan gives you a gift which is pokeradar check in your key items at the bottom list
The trident.
first you have to be in a patch of grass open the bag go to the key items pocket find the pokeradar and push "a" you can either select use or register if you selected register, just push "y" you must walk 60 steps after using it to use it again you also must have gotten the national dex to get the pokeradar
the pokeradar is used to find shinies.IF i were to explain it it would take a while, so instead GOOGLE " how to use the pokeradar to find shineys" and they will give you a step by step guide on hoe to use it.
Well, I know of only 5 and that's Mesprit, Cresselia, and the three legendary birds from the original Pokemon games (Moltres, Articunno and Zapdos). that's not the pokeradar that's the marker app the Pokemon radar is a key item
After you receive the PokeRadar from Professor Birch, go into grass without a bike and select it from your KEY ITEMS.
key item.
The Pokeradar is an item that you get in Pokemon Platinum. You get it from Professor Oak after completing the Shinoh Pokedex.
Key Item was created in 1968.
The correct spelling is Poke Radar instead of PokeRadar. Poke Radar is a key item in the Pokemon game. Its function is to point out where you can find Pokemon in grass, including some rare Pokemon that are only available when you use the Poke Radar.
To use pokeradar go to key items then press use. After you do that there should be shaky spots in the grass,(did i mention you have to be in grass) choose the shakier and shinier ones.
It's an item that you use to find pokemon that are hidden in the grass. There are a couple of pokemon that can only be caught this way.
You can't delete a key item!
A Key Item is an item in the Key Items Pocket that you can register and use by only pressing the X button.
There is no PokeRadar in HG/SS, unless you count the PokeRadar in the PokeWalker.
now that's odd really odd you sure normally professor oak upgrades your pokedex to national pokedex and then professor Rowan gives you a gift which is pokeradar check in your key items at the bottom list